01382nam0 2200277 i 450 SUN005480820180424024154.555978-36-426-5713-90.0020061024d1975 |0engc50 baengDE|||| |||||*Approximation of functions of several variables and imbedding theoremsS. M. Nikol'skiitranslated from the Russian by J. M. DanskinBerlinSpringer1975VIII, 420 p.24 cm.001SUN00241072001 *Grundlehren der mathematischen WissenschaftenA series of comprehensive texts in mathematics205210 BerlinSpringer1921-.46E35Sobolev spaces and other spaces of “smooth” functions, embedding theorems, trace theorems [MSC 2020]MFSUNC020009BerlinSUNL000066Nikol'skii, Sergej MihajlovicSUNV035920730896SpringerSUNV000178650Nikolskii, Sergej MihajlovicNikol'skii, Sergej MihajlovicSUNV074550ITSOL20200921RICASUN0054808UFFICIO DI BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 46-XX 3034 08 2555 I 20061024 Approximation of functions of several variables and imbedding theorems1425001UNICAMPANIA